#[cfg(test)]
mod test {
    #[test]
    pub fn test_raw_identifiers() {
        use rbatis::crud::CRUDTable;
        #[crud_table]
        #[derive(Clone, Debug)]
        pub struct BizActivity {
            pub id: Option<String>,
            // pub type: Option<String>, // type is a keyword, so need to named `r#type`.
            pub r#type: Option<String>,
        }
        assert_eq!("id,type".to_string(), BizActivity::table_columns());
    }
}
